thread.c: fix dynamic symbol keys

* thread.c (rb_thread_variable_get): fix dynamic symbol keys.
  rb_check_id() returns non-zero only for static symbols, whereas
  thread local variable keys can be dynamic symbols.
  [ruby-core:67185] [Bug #10667]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 1 deletions

diff --git a/test/-ext-/symbol/test_inadvertent_creation.rb b/test/-ext-/symbol/test_inadvertent_creation.rb
index abcb5d9ccb..b180d08b04 100644
--- a/test/-ext-/symbol/test_inadvertent_creation.rb
+++ b/test/-ext-/symbol/test_inadvertent_creation.rb
@@ -202,7 +202,13 @@ module Test_Symbol
       Thread.current.thread_variable_set(:test, nil)
       name = noninterned_name
       assert_nil(Thread.current.thread_variable_get(name))
-      assert_not_interned(name)
+      assert_not_pinneddown(name)
+    end
+
+    def test_thread_variable_set
+      name = noninterned_name
+      Thread.current.thread_variable_set(name, 42)
+      assert_not_pinneddown(name)
     end
 
     def test_thread_variable?